DOT 3 meaning

DOT 3 definition

This brake fluid has a glycol base. It is clear or light amber in color. Its dry boiling point is 401° minimum and wet boiling point of 284° minimum. It will absorb 1 to 2 percent of water per year depending on climate and operating conditions. It is used in most domestic cars and light trucks in normal driving. It does not require cleaning the system and it can be mixed with DOT 4 and DOT 5.1 without damage to the system. The problem with it is that it absorbs moisture out of the air and thereby reduces its boiling point . It can also damage the paint on a vehicle.

Automotive Dictionary Index

Automotive terms beginning with "D", page 3

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 2 3 4 8

D: Page 3 of 26.

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